#include<stdio.h>

int main(int argc, char *argv[])
{
	char c;
AGAIN:
	scanf("%c", &c);

	if(!(c>='1'&&c<='7')){
		goto AGAIN;
	}

	switch(c){
		case '1':
			printf("星期一\n");
			break;
		case '2':
			printf("星期二\n");
			break;
		case '3':
			printf("星期三\n");
			break;
		case '4':
			printf("星期四\n");
			break;
		case '5':
			printf("星期五\n");
			break;
		case '6':
			printf("星期六\n");
			break;
		default:
			printf("星期日\n");
			break;
	}
	return 0;
}
